2-Hexene, (Z)-

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Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Hydrogen + 2-Hexene, (Z)- = n-Hexane

By formula: H2 + C6H12 = C6H14

Quantity Value Units Method Reference Comment
Δr-119.5 ± 0.69kJ/molChydRogers, Crooks, et al., 1987liquid phase
Δr-119.0 ± 0.78kJ/molChydRogers and Crooks, 1983liquid phase; solvent: Hexane
Δr-113.2 ± 0.92kJ/molChydRogers, Papadimetriou, et al., 1975liquid phase; solvent: Hexane

1-Hexene = 2-Hexene, (Z)-

By formula: C6H12 = C6H12

Quantity Value Units Method Reference Comment
Δr-7.8 ± 0.2kJ/molEqkWiberg and Wasserman, 1981liquid phase; Trifluoroacetolysis
Δr-11.5 ± 1.0kJ/molCisoBartolo and Rossini, 1960liquid phase; Calculated from ΔHc

Trifluoroacetic acid + 2-Hexene, (Z)- = Acetic acid, 2,2,2-trifluoro-, 1-methylpentyl ester

By formula: C2HF3O2 + C6H12 = C8H13F3O2

Quantity Value Units Method Reference Comment
Δr-42.76 ± 0.13kJ/molEqkWiberg and Wasserman, 1981liquid phase; Trifluoroacetolysis

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C6H12+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.97 ± 0.01eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
8.969 ± 0.005PEMasclet, Grosjean, et al., 1973LLK
9.15 ± 0.01PEKrause, Taylor, et al., 1978Vertical value; LLK

UV/Visible spectrum

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

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Source Jones and Taylor, 1955
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 891
Instrument Beckman DU
Melting point -141.1
Boiling point 68.8

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, UV/Visible spectrum, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Rogers, Crooks, et al., 1987
Rogers, D.W.; Crooks, E.; Dejroongruang, K., Enthalpies of hydrogenation of the hexenes, J. Chem. Thermodyn., 1987, 19, 1209-1215. [all data]

Rogers and Crooks, 1983
Rogers, D.W.; Crooks, E.L., Enthalpies of hydrogenation of the isomers of n-hexene, J. Chem. Thermodyn., 1983, 15, 1087-1092. [all data]

Rogers, Papadimetriou, et al., 1975
Rogers, D.W.; Papadimetriou, P.M.; Siddiqui, N.A., An improved hydrogen microcalorimeter for use with large molecules, Mikrochim. Acta, 1975, 2, 389-400. [all data]

Wiberg and Wasserman, 1981
Wiberg, K.B.; Wasserman, D.J., Enthalpies of hydration of alkenes. 1. The n-hexenes, J. Am. Chem. Soc., 1981, 103, 6563-6566. [all data]

Bartolo and Rossini, 1960
Bartolo, H.F.; Rossini, F.D., Heats of isomerization of the seventeen isomeric hexenes, J. Phys. Chem., 1960, 64, 1685-1689. [all data]

Masclet, Grosjean, et al., 1973
Masclet, P.; Grosjean, D.; Mouvier, G., Alkene ionization potentials. Part I. Quantitative determination of alkyl group structural effects, J. Electron Spectrosc. Relat. Phenom., 1973, 2, 225. [all data]

Krause, Taylor, et al., 1978
Krause, D.A.; Taylor, J.W.; Fenske, R.F., An analysis of the effects of alkyl substituents on the ionization potentials of n-alkenes, J. Am. Chem. Soc., 1978, 100, 718. [all data]

Jones and Taylor, 1955
Jones, L.C., Jr.; Taylor, L.W., Far ultraviolet absorption spectra of unsaturated and aromatic hydrocarbons, Anal. Chem., 1955, 27, 2, 228-237. [all data]


Notes

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